Which of the following does not describe the sympathetic division of the autonomic nervous system?
A. It secretes norepinephrine.
B. It increases the heart rate.
C. It prepares the body for "fight or flight."
D. It releases acetylcholine.
E. It slows down the stomach muscles.
D. It releases acetylcholine.
The sympathetic neurons generally release norepinephrine, not acetylcholine.
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A nine-year-old boy has fallen from a swing. Assessment findings reveal no threats to the airway, breathing, or circulation, but do indicate deformity, pain, and swelling to his right wrist. The right radial pulse is strong and is accompanied by skin that is pink and warm to the touch. Which one of the following actions indicates that the AEMT is properly caring for this patient?
A) Maintaining the wrist below the level of the heart to decrease swelling B) Applying cold packs to the wrist to reduce swelling C) Straightening the wrist to promote blood flow to the hand D) Massaging the wrist gently to decrease the pain
The hormone melatonin's levels rise and fall during waking and sleeping hours
Indicate whether the statement is true or false